This project uses a simple 555 timer chip and a feedback loop to control a servo-controlled wooden arm. Whenever an object comes close to a photosensor mounted on the end of the arm, it blocks the amount of light detected, which triggers the arm to swat the object away. Read more »

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Maker Faire Bay Area

World Maker Faire New York

Dozens of projects in every issue covering Robots, Drones, 3D printing, craft and more

Tips and skill-building tutorials with inspiration from the leaders of the maker community